Instructions
Press the triangle button to load your party menu.
Select "Equip" from this menu. Press the "X" button.
Choose "Equip" from the sub-menu and press "X." Press "X" on your currently equipped accessory to change it out with a new item. If you drop a hit point accessory, you can add accessories that give you boosts in other statistics or new special effects. Press "X" when you have found a new accessory.